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dt-bindings: phy: Allow defining the SATA AFE TX amplitude 

Document a new property which allows the selection of the SATA AFE TX
amplitude in milli Volts. Possible values are 400, 500, 600 and 800mV.

Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
Link: https://lore.kernel.org/r/20201022205056.233879-2-f.fainelli@gmail.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
This commit is contained in:
Florian Fainelli 2020-10-22 13:50:55 -07:00 committed by Vinod Koul
parent 13ea8e0eee
commit 6d3b3f8842
1 changed files with 3 additions and 0 deletions
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Documentation/devicetree/bindings/phy/brcm-sata-phy.txt
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@ -38,6 +38,9 @@ Sub-nodes optional properties:
- brcm,rxaeq-value: when 'rxaeq-mode' is set to "manual", provides the RX - brcm,rxaeq-value: when 'rxaeq-mode' is set to "manual", provides the RX
equalizer value that should be used. Allowed range is 0..63. equalizer value that should be used. Allowed range is 0..63.
- brcm,tx-amplitude-millivolt: transmit amplitude voltage in millivolt.
Possible values are 400, 500, 600 or 800 mV.
Example Example
sata-phy@f0458100 { sata-phy@f0458100 {
compatible = "brcm,bcm7445-sata-phy", "brcm,phy-sata3"; compatible = "brcm,bcm7445-sata-phy", "brcm,phy-sata3";